/*
  @author: 13813
  @date: 2024/11/6 14:58
*/
public class Bj {
    public static void main(String[] args) {
        //结果布尔类型数据  true , false
        int a = 20;
        boolean b = a != 30;
        System.out.println("b = " + b);
    }
}
